Hair straightener



1. Hair straightener

Fig. 1.1 is a perspective view;

Fig. 1.2 is a front elevation view;

Fig. 1.3 is a rear plan view;

Fig. 1.4 is a left side elevation view;

Fig. 1.5 is a right elevation view;

Fig. 1.6 is a top plan view;

Fig. 1.7 is bottom plan view. 

CLAIM The ornamental design for a hair straightener, as shown and described. 